2022 Mercedes-Benz Eqb 300 4matic problems, complaints & recalls
Most-reported problem areas: Electrical System (6) · Fuel/Propulsion System (2) · Power Train (1)
🧭 Reliability snapshot
Compared against other Mercedes-Benz Eqb 300 4matic model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (5)
Electrical System:propulsion System:traction Battery 2026-02-06 · campaign 26V073000 · 11,895 vehicles ⚠ PARK OUTSIDE
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023-2024 EQB 250+, 2022-2024 EQB 300 4MATIC, and EQB 350 4MATIC vehicles. The high voltage battery may fail internally and lead to a vehicle fire while parked or driving.
Risk: A vehicle fire while parked or driving can increase the risk of injury.
Fix: Owners are advised to park outside and away from structures until the recall repair is complete. Also, owners are advised to only charge their vehicles to a maximum of 80% battery capacity until the remedy has been completed. Dealers will replace the high voltage battery, free of charge. Interim letters, notifying owners of the safety risk, were mailed March 13, 2026. Additional letters will be sent once the final remedy is available. This recall replaces recalls 25V050 and 25V894. Vehicles prev
Electrical System:propulsion System:traction Battery 2025-12-19 · campaign 25V894000 · 169 vehicles ⚠ PARK OUTSIDE
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2023 EQB 250, 2022-2023 EQB 300 4MATIC, and EQB 350 4MATIC vehicles. The high voltage battery may fail internally and lead to a vehicle fire while parked or driving.
Risk: A vehicle fire while parked or driving can increase the risk of injury.
Fix: Owners are advised to only charge their vehicles to a maximum of 80% battery capacity until the repair has been completed. Vehicles previously repaired under Recall 25V050 will need to be repaired again. Dealers will update the battery management system software, free of charge. Owner notification letters were mailed February 6, 2026. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2025120005. Vehicle Identification Numbers (VINs) involved in this
Electrical System:propulsion System:traction Battery 2025-07-25 · campaign 25V487000 · 660 vehicles ⚠ PARK OUTSIDE
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2023 EQB 350 4MATIC, and EQB 300 4MATIC vehicles. The bus bar in the high voltage battery may be secured with incorrect screws, which can cause the system to have a sudden loss of drive power without warning.
Risk: A loss of drive power increases the risk of a crash.
Fix: Owners are advised to park outside until the recall repair is complete. Dealers will inspect and replace the high-voltage battery as necessary, free of charge. This will be a phased campaign, with the remedy becoming available in different phases based on model and model years. Owner notification letters were mailed January 9, 2026. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2025080004.
Electrical System:propulsion System:traction Battery 2025-02-07 · campaign 25V050000 · 12,236 vehicles ⚠ PARK OUTSIDE
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022-2025 EQB 250, EQB 300 4MATIC, and EQB 350 4MATIC electric vehicles. The high voltage battery may fail internally and lead to a vehicle fire while parked or driving.
Risk: A vehicle fire while parked or driving can increase the risk of injury.
Fix: Owners are advised to only charge their vehicles to a maximum of 80% battery capacity until the repair has been completed. Dealers will update the battery management system software, free of charge. Owner notification letters were mailed on May 22, 2025. This is a phased recall. Phase 1 owner letters were mailed on May 22, 2025. Phase 2 owner letters were mailed on October 31, 2025 and Phase 3 owner letters were mailed on December 12, 2025. Owners may contact MBUSA customer service at 1-800-3
Electrical System:propulsion System 2024-05-10 · campaign 24V331000 · 283 vehicles
Defect: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2022 EQB 300 and EQB 350 vehicles. The welded spur gear within the front axle electric drivetrain may not have been welded properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 114, "Theft Protection."
Risk: An improperly welded spur gear can fail and result in a vehicle rollaway, increasing the risk of a crash.
Fix: Dealers will replace the front axle electric drivetrain, free of charge. Owner notification letters were mailed on August 9, 2024. Owners may contact MBUSA at 1-800-367-6372. MBUSA's number for this recall is 2024060007.
Service bulletins (146)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Steering 2026-09-26 · LI46.10-P-080896 · Service Bulletin/Repair Instructions
complaint slight creaking noises when steering. cause noises may come from one or more sleeves of the horn contact plate. remedy remove the horn contact plate and check the sleeves for noise; see attached video. if necessary, apply lubricant to the sleeves.
Service Brakes 2026-09-22 · LI42.10-P-078779 · Service Bulletin/Repair Instructions
complaint repeat workshop visit for vehicle vibration while braking from 60mph. note: although the symptom is similar to a tire or wheel vibration, it is usually readily noticeable that it is distinctly different if it happens at all times or only while braking. cause although the cause of the vibra
Electrical System 2026-09-15 · LI82.60-P-080383 · Service Bulletin/Repair Instructions
complaint radio station cover art does not refresh when switching stations. the ui continues to show the old station’s artwork instead of updating to the new one. cause when a new station change request is triggered, a temporary glitch is causing the head unit application to fail to overwrite the pr
Structure:body 2026-09-14 · LI82.62-P-078631 · Service Bulletin/Repair Instructions
complaint clanking noise from the area of the speakers in the doors. cause under analysis. remedy to narrow down the cause, first of all remove the door trim. • if the noise continues to occur even with the door trim removed, then continue the diagnosis working towards the speaker and if necessary,
Steering 2026-08-28 · LI46.35-P-067339 · Service Bulletin/Repair Instructions
complaint during part of the steering movement, it feels heavier or more difficult to steer in the same spot every time. or rattling, humming, dry sliding/gravel noise from the electric steering system when steering (see attachment). complaint does not impact the ability to safely steer or control
Structure:body 2026-08-24 · LI72.20-P-075746 · Service Bulletin/Repair Instructions
complaint tailgate opens unintentionally. cause accidental or unnoticed activation of the button to open the tailgate on the vehicle key. example: when stored in trouser pocket, handbag etc. remedy as of the 6th generation, the vehicle key can be recoded so that the tailgate no longer opens as a res
Showing the 6 most recent of 146 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-10-02 · Electrical System · 38,000 mi“the contact owns a 2022 mercedes-benz eqb 300 4matic. the contact received notification of nhtsa campaign number: 26v073000 (electrical system); however, the part to do the recall repair was not yet available. the contact stated that the ev battery warning light was constantly illuminated. the vehicle was taken to two dealers, including napleton au…”
2026-09-22 · Electrical System · 19,489 mi“the contact owns a 2022 mercedes-benz eqb 300 4matic. the contact stated that while his son was driving 28 mph and depressing the accelerator pedal and making a right turn, the battery message was displayed and the vehicle decelerated. the vehicle was pulled over to the right side of the road, and the contact selected the option on the radio, and t…”
2026-09-16 · Power Train“he vehicle intermittently fails to shift from park (p) to drive (d). recently, the car was completely immobilized for over 6 hours because the gear would not engage, making it dangerous and unpredictable to drive. additionally, the vehicle has experienced multiple charging failures where charging repeatedly cuts off unexpectedly. a formal diagnosis…”
2026-08-21 · Electrical System:propulsion System:traction Battery“see attached letter for the complaint…”
2026-06-03 · Electrical System“the contact owns a 2022 mercedes-benz eqb 300. the contact received notification of nhtsa campaign number 26v073000 (electrical system); however, the part to do the recall repair was not yet available. the local dealer was contacted; however the vehicle was not diagnosed or repaired. the contact stated that the manufacturer had exceeded a reasonabl…”
2026-05-16 · Electrical System“this urgent safety issue with the high voltage battery on the 2022 mercedes eqb has been known to mercedes since at least july 2025. as of may 15, mercedes tells me i will have a repair scheduled by december 30, 2026. they offer no explanation for the delay. this is unreasonable and unacceptable. i am requesting that the nhsta inform mercedes th…”
2026-04-22 · Fuel/Propulsion System“mercedes-benz is taking 6 to 8 months to replace the high-voltage battery due to the recall mentioned below. even after an 8-month wait, no guaranteed eta is provided to resolve the issue. manufacturer recall number2026020004 nhtsa recall number26v073 recall statusrecall incomplete, remedy not yet available summary mercedes-benz ag ("mbag"), the m…”
2026-04-09 · Electrical System · 44,000 mi“the contact owns a 2022 mercedes-benz eqb 300 4matic. the contact received notification of nhtsa campaign number: 26v073000 (electrical system); however, the part to do the recall repair was not yet available. the local dealer was contacted and confirmed that the part was not yet available. the contact stated that the manufacturer had exceeded a re…”
2026-03-31 · Electrical System“we are currently under nhtsa recall id: 26v073 and mercedes-benz has not given us a reasonable timeline with which they intend to remedy the recall. we are currently unable to drive the car safely and unable to park the car safely without the risk of fire. to not have any answers as to when this recall will be remedied is unacceptable. …”
2026-03-21 · Fuel/Propulsion System“mercedes previously issued a software update for the battery fire risk, but we have received a letter more than a year later stating that this fix was not adequate. we pursued a vehicle buyback due to the safety risk this presents to my family, and mercedes vehemently stated that the issue was resolved and the vehicle did not qualify. the vehicle i…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.